EP4180670A3 - Regenerative blowers-compressors with shaft bypass fluid re-vents - Google Patents

Regenerative blowers-compressors with shaft bypass fluid re-vents Download PDF

Info

Publication number
EP4180670A3
EP4180670A3 EP22195978.6A EP22195978A EP4180670A3 EP 4180670 A3 EP4180670 A3 EP 4180670A3 EP 22195978 A EP22195978 A EP 22195978A EP 4180670 A3 EP4180670 A3 EP 4180670A3
Authority
EP
European Patent Office
Prior art keywords
channel
fluid
drive shaft
pressure region
compressors
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22195978.6A
Other languages
German (de)
French (fr)
Other versions
EP4180670A2 (en
Inventor
Joel Jack OAKMAN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
VICTORI LLC
Original Assignee
VICTORI LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by VICTORI LLC filed Critical VICTORI LLC
Priority to EP22195978.6A priority Critical patent/EP4180670A3/en
Publication of EP4180670A2 publication Critical patent/EP4180670A2/en
Publication of EP4180670A3 publication Critical patent/EP4180670A3/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D23/00—Other rotary non-positive-displacement pumps
    • F04D23/008—Regenerative pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/60—Fluid transfer
    • F05D2260/602—Drainage
    • F05D2260/6022—Drainage of leakage having past a seal

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

A regenerative blower-compressor (50) includes an impeller (51) mounted to a drive shaft (70) within a housing (55) including a channel (65) extending from an inlet (66) adjacent to a low fluid-pressure region (81) of the channel (65) to an outlet (67) adjacent to a high fluid-pressure region (82) of the channel (65), the impeller (51) extends radially outward through an annular volume (75) within the housing (55) from the drive shaft (70) to blades (80) in the channel and is configured to rotate for rotating the blades (80) through the channel for forcing fluid through the channel (65) from the inlet (66) to the outlet (67) in response to rotation of the drive shaft (70), the drive shaft (70) extends from the impeller (51) within the annular volume (75) into a shaft chamber within the housing (55) configured to receive fluid from the high fluid-pressure region (82) of the channel (65), and a port (130) configured to vent fluid directly from the shaft chamber (120) into the low fluid-pressure region (81) of the channel (65).
EP22195978.6A 2018-04-20 2019-06-19 Regenerative blowers-compressors with shaft bypass fluid re-vents Pending EP4180670A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP22195978.6A EP4180670A3 (en) 2018-04-20 2019-06-19 Regenerative blowers-compressors with shaft bypass fluid re-vents

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201862660644P 2018-04-20 2018-04-20
EP19788806.8A EP3781818A4 (en) 2018-04-20 2019-06-19 Regenerative blowers-compressors with shaft bypass fluid re-vents
EP22195978.6A EP4180670A3 (en) 2018-04-20 2019-06-19 Regenerative blowers-compressors with shaft bypass fluid re-vents
PCT/US2019/038064 WO2019204833A1 (en) 2018-04-20 2019-06-19 Regenerative blowers-compressors with shaft bypass fluid re-vents

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP19788806.8A Division EP3781818A4 (en) 2018-04-20 2019-06-19 Regenerative blowers-compressors with shaft bypass fluid re-vents

Publications (2)

Publication Number Publication Date
EP4180670A2 EP4180670A2 (en) 2023-05-17
EP4180670A3 true EP4180670A3 (en) 2023-07-19

Family

ID=74187056

Family Applications (2)

Application Number Title Priority Date Filing Date
EP22195978.6A Pending EP4180670A3 (en) 2018-04-20 2019-06-19 Regenerative blowers-compressors with shaft bypass fluid re-vents
EP19788806.8A Withdrawn EP3781818A4 (en) 2018-04-20 2019-06-19 Regenerative blowers-compressors with shaft bypass fluid re-vents

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19788806.8A Withdrawn EP3781818A4 (en) 2018-04-20 2019-06-19 Regenerative blowers-compressors with shaft bypass fluid re-vents

Country Status (4)

Country Link
US (1) US11815105B2 (en)
EP (2) EP4180670A3 (en)
CN (1) CN112400064B (en)
WO (1) WO2019204833A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11248618B1 (en) * 2019-03-13 2022-02-15 Airtech Group, Inc. O-ring for side channel blower and side channel blower including said o-ring
US11708840B1 (en) * 2022-08-29 2023-07-25 Anwit Adhikari Annular compression system and a method of operating the same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2200405A (en) * 1987-01-29 1988-08-03 Thermocatalytic Corp Blower for a combustible gas-air mixture
EP1803940A1 (en) * 2005-12-27 2007-07-04 J. Eberspächer GmbH & Co. KG Regenerative pump

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2574724A (en) * 1948-07-31 1951-11-13 Fairbanks Morse & Co Multistage rotary pump
US2684034A (en) * 1951-05-12 1954-07-20 Roth Co Roy E Liquid cooling structure for pump shafts
US3558236A (en) * 1968-09-10 1971-01-26 Delavan Manufacturing Co Self-purging regenerative turbine pump
GB2092242B (en) * 1981-01-31 1984-12-19 Rolls Royce Non-contacting gas seal
JPS58222997A (en) * 1982-06-21 1983-12-24 Nippon Denso Co Ltd Pumping device
GB9708397D0 (en) * 1997-04-25 1997-06-18 Boc Group Plc Improvements in vacuum pumps
US9334873B2 (en) * 2009-05-20 2016-05-10 Edwards Limited Side-channel compressor with symmetric rotor disc which pumps in parallel
GB2475254B (en) * 2009-11-11 2016-02-10 Edwards Ltd Vacuum pump
US9303645B2 (en) * 2012-03-23 2016-04-05 Victori, Llc Regenerative blower with a convoluted contactless impeller-to-housing seal assembly
DE102015202946A1 (en) * 2015-02-18 2016-08-18 Mahle International Gmbh Pumping device for driving blow-by gas
JP2016211397A (en) * 2015-05-01 2016-12-15 三浦工業株式会社 Cascade pump

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2200405A (en) * 1987-01-29 1988-08-03 Thermocatalytic Corp Blower for a combustible gas-air mixture
EP1803940A1 (en) * 2005-12-27 2007-07-04 J. Eberspächer GmbH & Co. KG Regenerative pump

Also Published As

Publication number Publication date
EP4180670A2 (en) 2023-05-17
EP3781818A1 (en) 2021-02-24
WO2019204833A1 (en) 2019-10-24
CN112400064A (en) 2021-02-23
CN112400064B (en) 2023-08-08
KR20210107528A (en) 2021-09-01
EP3781818A4 (en) 2022-03-23
US11815105B2 (en) 2023-11-14
US20200032812A1 (en) 2020-01-30

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